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Finding the Fourth Proportional to 87,048, 130,573.44 and 37,800

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Solution

The fourth proportional to 87,048, 130,573.44 and 37,800 is: 56,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,048 : 130,573.44 = 37,800 : x
  2. Step 2: Convert to fraction form
    87,048/130,573.44 = 37,800/x
  3. Step 3: Cross multiply
    87,048x = 130,573.44 × 37,800
  4. Step 4: Simplify right side
    87,048x = 4,935,676,032
  5. Step 5: Solve for x
    x = 4,935,676,032/87,048
  6. Step 6: Final answer
    x = 56,700.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.